北京地铁施工缝防水处理方法

Case Study on Construction Joint Water-proofing Methods of Beijing Metro Works

针对现正施工使用的地铁结构施工缝防水进行详细描述及比较,并从施工层面及结果层面分析了各种施工缝防水处理方法的利弊。具体介绍了施工缝的三种处理方法:双道遇水膨胀嵌缝胶与注浆管配合防水、钢边橡胶止水带、缓膨胀型膨润土橡胶遇水膨胀止水条,及三种处理方法的材料材质的性能、安装方法和防水原理,以及三种方法的适用范围。

The construction joint Water-proofing methods of Metro works that are at present in use are described and compared proofing in detail. The advantages and disadvantages of the Water-proofing methods construction and Water-proofing effect. Three construction joint Water-proofing are analyzed in terms of Watermethods, i.e. , Water-proofing by means of double expandable caulking glues and grouting pipes, Water-proofing by means of steel-edged rubber water stripes and Water-proofing by means of prefabricated expandable rubber water stops, are presented. The material performances, installation methods, Water-proofing principles methods are described in the paper. and application scopes of the mentioned three Water-proofing